New Orleans is the first US city with real-time facial recognition: If you're wanted and walk past one of the system's cameras, it could flag you. The twist: it's a private system, and even though the new mayor and police chief are at odds about facial recognition, this non-profit says it's able to establish its own "guard-rails" as it feeds real-time tips to the police, side-stepping the debate about government regulation and privacy.
The nativity scene in St. Peter's Square comes from a different place every year. For Pope Leo's first Christmas as the pontiff, this year's display comes from Salerno, Italy.
NPR's A Martinez speaks with Australian gun control advocate Rebecca Peters about the aftermath of the Bondi Beach shooting and gun control in Australia.
There's lots of data to show cardiac troubles spike during holidays amid the mix of merrymaking, travel and stress. But there are ways to spot the signs of trouble before it's too late.